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Caring for solar terms | Frost nurturing 'valve', providing warm winter protection for your production system!

Caring for solar terms | Frost nurturing 'valve', providing warm winter protection for your production system!

Oct 23, 2025

Frost Descent is the last solar term of autumn and the transition from autumn to winter. During the season of frost, all things come to an end and enter the earth in the hour of Xu. The sun shines on the earth, and the yin energy begins to condense. The gradually cold weather begins with the arrival of frost.The sudden drop in temperature not only means adding clothes to keep warm, but Anhui Wolong Pump Valve reminds you that your pump valve equipment also needs a thoughtful "autumn maintenance". The increase in temperature difference between day and night may cause thermal expansion and contraction of equipment components, and even affect normal operation due to low-temperature freezing.

 

Antifreeze emptying: For pumps and piping systems that operate intermittently, especially those installed outdoors, it is necessary to thoroughly empty the accumulated fluid in the pump chamber and piping after shutdown to prevent freezing at low temperatures at night and volume expansion that may cause the pump body, impeller, or valve to freeze and crack. This is our most solemn and effective reminder!

Insulation measures: Wear cotton coats on pumps, valves, and pipelines outside or in non heating workshops. We use professional insulation materials such as cotton and heat tracing tape to wrap and maintain its working temperature, ensuring that it can be started normally at any time.

 

Replace lubricating oil (grease): As the temperature decreases, the viscosity of lubricating oil (grease) used in summer will increase, the flowability will deteriorate, and the lubrication effect will be affected. Please replace it with low viscosity, anti freezing lubricating oil (grease) suitable for winter in a timely manner to ensure that rotating parts such as bearings can be fully lubricated at low temperatures and reduce wear.

 

Warm up before startup: In a low-temperature environment, the equipment should be fully turned and checked for flexibility before startup. Start by tapping and run without load for a period of time, allowing each component to "warm up" before returning to normal operating conditions.Listen and observe: During operation, please pay more attention to the sound, vibration, and pressure gauge readings of the equipment. Any abnormal "clues" may be "discomfort signals" emitted by the device at low temperatures.

 

A meticulous maintenance is better than ten emergency repairs. Anhui Wolong Pump Valve always adheres to the concept of "survival through quality, development through service", not only providing you with durable products, but also willing to become your intimate partner in equipment management. The weather is turning cold, and we kindly ask all friends who are fighting on the front line to add clothes in a timely manner and pay attention to keeping warm. Your body is the capital of revolution, and your health and safety are also our greatest concerns.

 

As a leading pump and valve manufacturer in the industry, ANHUI WOLONG PUMP&VALVE CO.LTD has always served the fields of chemical, power, metallurgy, environmental protection, etc. with high-quality and high-performance products. We not only provide high-quality products, but also offer professional technical support and after-sales service to ensure the long-term stable operation of you r equipment!Fluoroalloy pump manufacturer

 

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